96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
#
|
||
|
|
# Check_MK PVC plugin
|
||
|
|
#
|
||
|
|
# Copyright 2017-2021, Joshua Boniface <joshua@boniface.me>
|
||
|
|
#
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
from .agent_based_api.v1 import *
|
||
|
|
from cmk.base.check_api import host_name
|
||
|
|
from time import time
|
||
|
|
from json import loads
|
||
|
|
|
||
|
|
|
||
|
|
def discover_pvc(section):
|
||
|
|
my_node = host_name().split(".")[0]
|
||
|
|
yield Service(item=f"PVC Node {my_node}")
|
||
|
|
yield Service(item="PVC Cluster")
|
||
|
|
|
||
|
|
|
||
|
|
def check_pvc(item, params, section):
|
||
|
|
state = State.OK
|
||
|
|
summary = "Stuff"
|
||
|
|
details = None
|
||
|
|
data = loads(" ".join(section[0]))
|
||
|
|
my_node = host_name().split(".")[0]
|
||
|
|
|
||
|
|
maintenance_map = {
|
||
|
|
"true": "on",
|
||
|
|
"false": "off",
|
||
|
|
}
|
||
|
|
maintenance = maintenance_map[data["maintenance"]]
|
||
|
|
|
||
|
|
# Node check
|
||
|
|
if item == f"PVC Node {my_node}":
|
||
|
|
my_node = host_name().split(".")[0]
|
||
|
|
node_health = data["node_health"][my_node]["health"]
|
||
|
|
node_messages = data["node_health"][my_node]["messages"]
|
||
|
|
|
||
|
|
summary = f"Node health is {node_health}% (maintenance {maintenance})"
|
||
|
|
|
||
|
|
if len(node_messages) > 0:
|
||
|
|
details = ", ".join(node_messages)
|
||
|
|
|
||
|
|
if node_health <= 50 and maintenance == "off":
|
||
|
|
state = State.CRIT
|
||
|
|
elif node_health <= 90 and maintenance == "off":
|
||
|
|
state = State.WARN
|
||
|
|
else:
|
||
|
|
state = State.OK
|
||
|
|
|
||
|
|
yield Metric(name="node-health", value=node_health)
|
||
|
|
|
||
|
|
# Cluster check
|
||
|
|
elif item == "PVC Cluster":
|
||
|
|
cluster_health = data["cluster_health"]["health"]
|
||
|
|
cluster_messages = data["cluster_health"]["messages"]
|
||
|
|
|
||
|
|
summary = f"Cluster health is {cluster_health}% (maintenance {maintenance})"
|
||
|
|
|
||
|
|
if len(cluster_messages) > 0:
|
||
|
|
details = ", ".join([m["text"] for m in cluster_messages])
|
||
|
|
|
||
|
|
if cluster_health <= 50 and maintenance == "off":
|
||
|
|
state = State.CRIT
|
||
|
|
elif cluster_health <= 90 and maintenance == "off":
|
||
|
|
state = State.WARN
|
||
|
|
else:
|
||
|
|
state = State.OK
|
||
|
|
|
||
|
|
yield Metric(name="cluster-health", value=cluster_health)
|
||
|
|
|
||
|
|
yield Result(state=state, summary=summary, details=details)
|
||
|
|
return
|
||
|
|
|
||
|
|
|
||
|
|
register.check_plugin(
|
||
|
|
name="pvc",
|
||
|
|
service_name="%s",
|
||
|
|
check_ruleset_name="pvc",
|
||
|
|
discovery_function=discover_pvc,
|
||
|
|
check_function=check_pvc,
|
||
|
|
check_default_parameters={},
|
||
|
|
)
|